Update runtime files.
diff --git a/runtime/doc/usr_11.txt b/runtime/doc/usr_11.txt
index 13c08f9..727228c 100644
--- a/runtime/doc/usr_11.txt
+++ b/runtime/doc/usr_11.txt
@@ -304,4 +304,4 @@
 
 Next chapter: |usr_12.txt|  Clever tricks
 
-Copyright: see |manual-copyright|  vim:tw=78:ts=8:ft=help:norl:
+Copyright: see |manual-copyright|  vim:tw=78:ts=8:noet:ft=help:norl: